A:硫
B:碳
C:氧
D:铝
4个 313 的和是____ ?
- The population of China is larger than ______ of India.
- Yes, but India's population is increasing rapidly.
邓小平:“特区是个窗口,是技术的窗口,管理的窗口,知识的窗口,也是对外政策的窗口。”成为我国经济特区的代表、对外开放“窗口”的城市是( )